Muon acceleration in a superconducting proton Linac

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This note describes how a future Fermilab proton driver [1] based on TESLA superconducting linac modules can perform as both the source of protons to produce the muons and as the accelerator of the muons to be used for a neutrino factory or muon collider. Recent advances in muon cooling [2] have the promise of muon emittances that are compatible with the 1300 MHz accelerating structures that are the basis for the ILC design. In the design described here, H{sup -} ions are accelerated to 8 GeV in the superconducting Linac, then stripped, stored and bunched in a ring while ... continued below

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2 pages

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Popovic, Milorad; /Fermilab; Johnson, Rolland P. & /MUONS Inc., Batavia November 1, 2005.

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Description

This note describes how a future Fermilab proton driver [1] based on TESLA superconducting linac modules can perform as both the source of protons to produce the muons and as the accelerator of the muons to be used for a neutrino factory or muon collider. Recent advances in muon cooling [2] have the promise of muon emittances that are compatible with the 1300 MHz accelerating structures that are the basis for the ILC design. In the design described here, H{sup -} ions are accelerated to 8 GeV in the superconducting Linac, then stripped, stored and bunched in a ring while the Linac cavities are rephased for muon acceleration. Then the protons are extracted from the ring to produce pions and muons which are cooled in a few hundred meters, accelerated to a few GeV and injected into the Linac at the {beta} = 1 point for acceleration to add 7 GeV. By recirculating the muons in the constant frequency section of such a proton driver Linac, even higher energies can be achieved quickly so that losses from muon decay are minimized. By adding additional refrigeration and RF power, the repetition rate of the Linac can be increased to make large increases in the average flux of a neutrino factory and the average luminosity of a muon collider. driver linac to be able to accelerate muons, including the costs to produce and cool the muons, will be considerably less than the costs estimated in previous neutrino factory design studies. We also believe that such an approach can produce a much higher neutrino flux and, because of the necessity for effective muon cooling, also be on the path to an energy frontier muon collider.

Physical Description

2 pages

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  • Journal Name: Nucl.Phys.Proc.Suppl.155:305-306,2006; Conference: To appear in the proceedings of 7th International Workshop on Neutrino Factories and Superbeams (NuFact 05), Frascati, Italy, 21-26 Jun 2005

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  • Report No.: FERMILAB-CONF-05-459-AD
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 879130
  • Archival Resource Key: ark:/67531/metadc879126

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  • November 1, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 8, 2016, 8:42 p.m.

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Popovic, Milorad; /Fermilab; Johnson, Rolland P. & /MUONS Inc., Batavia. Muon acceleration in a superconducting proton Linac, article, November 1, 2005; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc879126/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.